DIS_PRE=0, HOLDTIME=000
MII Speed Control Register
| RESERVED | no description available |
| MII_SPEED | MII speed |
| DIS_PRE | Disable preamble 0 (0): Preamble enabled. 1 (1): Preamble (32 ones) is not prepended to the MII management frame. |
| HOLDTIME | Holdtime on MDIO output 0 (000): 1 internal module clock cycle 1 (001): 2 internal module clock cycles 2 (010): 3 internal module clock cycles 7 (111): 8 internal module clock cycles |
| RESERVED | no description available |